Panasonic FP-7818 Service Manual & Parts Manual page 121

E3: Developer unit and Hopper unit error
Code Function
E3-01 Toner bottle motor rotation
E3-03 Toner density sensor gain
E3-10 High voltage power supply leak (1)
E3-11 High voltage power supply leak (2)
E3-20 Main motor rotation
E3-21 Dust collection fan motor rotation
E3-22 Exhaust fan motor rotation
E3-23 Suction fan motor rotation
E3-30 Discharge lamp
E3-40 Copy density sensor output detection
E3-50 Transfer cleaner operation
E4: Fuser unit error
Code Function
E4-01 Fuser warm-up
E4-10 Exhaust fan motor (1) rotation
E4-11 Exhaust fan motor (2) rotation
E4-12 Exhaust fan motor (3) rotation
E5: System (+24V/+10V) error
Code Function
E5-01 Vp (+24V) line
E5-04 Vo (+10V) line
E5-10 +5V (for EPA)
E5-21 ADF communication abnormal
E5-22 Sorter communication abnormal
E5-23 Control panel communication abnormal
E5-41 Registration timing control circuit abnormal
E5-42 Total counter connection
E5-50 Communication error
E6: Duplex unit error
Code Function
E6-03 Paper length home position detecting sensor
E6-04 Paper width home position detecting sensor
E6-05 Paper detecting sensor
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